The average daily motion of the moon is 13 ° 10’35 “. What is the average length of the sidereal month?

360/13 ° 10’15n = 27.3216 days.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.